chore(deps): update actions/checkout action to v3 (#6)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/codeql-analysis.yml

@@ -35,7 +35,7 @@ jobs:
 
  steps:
  - name: Checkout repository
- uses: actions/checkout@v2
+ uses: actions/checkout@v3
 
  # Initializes the CodeQL tools for scanning.
  - name: Initialize CodeQL

.github/workflows/go.yml

@@ -11,7 +11,7 @@ jobs:
  test-go-1-14:
  runs-on: ubuntu-latest
  steps:
- - uses: actions/checkout@v2
+ - uses: actions/checkout@v3
 
  - name: Set up Go
  uses: actions/setup-go@v3
@@ -25,7 +25,7 @@ jobs:
  test-go-1-15:
  runs-on: ubuntu-latest
  steps:
- - uses: actions/checkout@v2
+ - uses: actions/checkout@v3
 
  - name: Set up Go
  uses: actions/setup-go@v3
@@ -38,7 +38,7 @@ jobs:
  test-go-1-16:
  runs-on: ubuntu-latest
  steps:
- - uses: actions/checkout@v2
+ - uses: actions/checkout@v3
 
  - name: Set up Go
  uses: actions/setup-go@v3